Home / 38,171.75-57,199.23-20,404.94

Finding the Fourth Proportional to 38,171.75, 57,199.23 and 20,404.94

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Solution

The fourth proportional to 38,171.75, 57,199.23 and 20,404.94 is: 30,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.75 : 57,199.23 = 20,404.94 : x
  2. Step 2: Convert to fraction form
    38,171.75/57,199.23 = 20,404.94/x
  3. Step 3: Cross multiply
    38,171.75x = 57,199.23 × 20,404.94
  4. Step 4: Simplify right side
    38,171.75x = 1,167,146,570.20
  5. Step 5: Solve for x
    x = 1,167,146,570.20/38,171.75
  6. Step 6: Final answer
    x = 30,576.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.